<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <!-- 登录的头 -->
      <div class="title-container">
        <h3 class="title">
          <img src="@/assets/common/login-logo.png" alt="" />
        </h3>
      </div>

      <el-form-item prop="mobile">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.mobile"
          placeholder="Username"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="Password"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon
            :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
          />
        </span>
      </el-form-item>

      <el-button
        :loading="loading"
        type="primary"
        style="width: 100%; margin-bottom: 30px"
        @click.native.prevent="handleLogin"
      >
        登录
      </el-button>

      <div class="tips">
        <!-- 人资项目管理员账号密码 -->
        <span style="margin-right: 20px">账号: 13800000002</span>
        <span> 密码: 123456</span>
      </div>
    </el-form>
  </div>
</template>
<script>
// import { mapMutations } from 'vuex'
export default {
  name: 'Login',
  data () {
    // 校验手机号(复杂校验)
    const validateMobile = (rule, value, callback) => {
      if (!/^(0|86|17951)?(13[0-9]|15[012356789]|166|17[3678]|18[0-9]|14[57])[0-9]{8}$/.test(value)) {
        //  提示错误
        callback(new Error('手机号格式错误！'))
      } else {
        // 放行
        callback()
      }
    }
    return {
      // 表单数据
      loginForm: {
        // 字段和后台需要的参数保持一致
        mobile: '13800000002',
        password: '123456'
      },
      loginRules: {
        mobile: [{ required: true, trigger: 'blur', validator: validateMobile }],
        password: [
          // 非空校验=》从下标0开始
          { required: true, message: '密码不能为空！', trigger: 'blur' },
          { min: 6, max: 16, message: '请输入长度为6到16位的密码！', trigger: 'blur' }
        ]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    // 监控路由变化
    $route: {
      handler: function (route) {
        // 存储地址上的query参数=》上次访问的页面地址
        console.log('回条参数：', route.query.redirect)
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  created () {
    console.log('store：', this.$store)
  },
  methods: {
    // ...mapMutations(['user/setToken']),
    // 控制显示明文密码
    showPwd () {
      if (this.passwordType === 'password') {
        // 明文
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        // 等到控制显示明文密码渲染完成后=》获取焦点
        this.$refs.password.focus()
      })
    },
    // 表单提交回调
    handleLogin () {
      this.$refs.loginForm.validate(async valid => {
        if (valid) {
          this.loading = true
          // console.log(this.$store)
          await this.$store.dispatch('user/login', this.loginForm)
          // 关闭loading
          this.loading = false
          // 跳转到后台首页
          // 判断：如果存在上次访问页面的地址=》跳到上次访问页面
          this.$router.replace({ path: this.redirect || '/' })
          // console.log(this.$store)
          // vuex存token
          //  namespaced: true要加上模块名调用mutation方法
          // this.$store.commit('user/setToken', res)
          // this['user/setToken'](res)
          // this.$store.dispatch('user/login', this.loginForm).then(() => {
          //   this.$router.push({ path: this.redirect || '/' })
          //   this.loading = false
          // }).catch(() => {
          //   this.loading = false
          // })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #68b0fe; // 输入框字体颜色
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  // 样式中引入资源使用@需要加~
  background-image: url("~@/assets/common/login.jpg"); // 设置背景图片
  background-position: center; // 将图片位置设置为充满整个屏幕
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.7); // 输入登录表单的背景色
    border-radius: 5px;
    color: #454545;
  }
  /* reset element-ui css */
  // 表单错误提示文字颜色
  .el-form-item__error {
    color: #fff;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
